Gaylord Du Bois writer credit per Gaylord Du Bois, page 4, Gaylord Du Bois's Account Books Sorted by Title compiled from the original account books by Randall W. Scott (Michigan State University Libraries 1985) 203 leaves ; 28 cm. -- Photocopy of computer printout. -- Call no.: PN6727.D77 A2S35 1985, which states: "Uncle Wiggly. 12p. For Animal Comics. Paid December 25, 1943."
Hubbell R. McBride art credit per Michael Barrier, page 71, "Funnybooks" (UCPress 2015), which states, "The 'Uncle Wiggly' stories were drawn by Hubbell R. McBride, who was, like his Western colleagues Arthur Jameson and George Kerr, a veteran illustrator---in McBride's case, of Liberty magazine's covers."
Signed in last panel.